212553042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 473088000

約数和(自身を除く): 260534958

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 127, 129, 254, 258, 381, 499, 559, 762, 998, 1118, 1497, 1651, 1677, 2994, 3302, 3354, 4953, 5461, 6487, 9906, 10922, 12974, 16383, 19461, 21457, 32766, 38922, 42914, 63373, 64371, 70993, 126746, 128742, 141986, 190119, 212979, 278941, 380238, 425958, 557882, 823849, 836823, 1647698, 1673646, 2471547, 2725039, 4943094, 5450078, 8175117, 16350234, 35425507, 70851014, 106276521, 212553042]

約数ペア:

[(1, 212553042), (2, 106276521), (3, 70851014), (6, 35425507), (13, 16350234), (26, 8175117), (39, 5450078), (43, 4943094), (78, 2725039), (86, 2471547), (127, 1673646), (129, 1647698), (254, 836823), (258, 823849), (381, 557882), (499, 425958), (559, 380238), (762, 278941), (998, 212979), (1118, 190119), (1497, 141986), (1651, 128742), (1677, 126746), (2994, 70993), (3302, 64371), (3354, 63373), (4953, 42914), (5461, 38922), (6487, 32766), (9906, 21457), (10922, 19461), (12974, 16383)]